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The elevator shown in fig. is descending...

The elevator shown in fig. is descending with an acceleration of 2 `m//s^(2)`. The mass of block A is 0.5 kg. The force exerted by the block A on the block B is

A

2N

B

4N

C

6N

D

8N

Text Solution

Verified by Experts

The correct Answer is:
B
`R=m(g-a)`
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